TUSHAR YADAV
Ghaziabad
Summary
Devops engineer with 8+ years of experience delivering impactful solution for on-pemises and cloud datacenters and overall experience is 12 years. Specialized in managing high traffic, realtime platforms like UPI and Banking services. Proficient in multiple Devops tools and techniques and knowledgeable in infrastructure automation and configuration management
Overview
12
12
years of professional experience
Work History
Senior Devops Technical Lead
Paytm payments Bank
02.2019 - Current
- Designed and Implemented a self-managed Kubernetes cluster on on-premises to handle High TPS for UPI and Banking services.
- Performed rolling upgrades on EKS & on-prem k8s cluster, keeping compliance and ensuring zero downtime
- Established Cross cluster pods communication within kubernetes, operating within same n/w subnet, facilitated by Endpointslices
- Led a team in designing and implementing CICD pipelines for multiple projects, resulting in reduction in deployment time and increased release frequency
- Improved business uptime by better documentation (sop's), detailed RCAs, setting up effective processes and reviews
- Managing applications running on aws and datacenter
- Improved security by adapting industry security practise like patching, upgrades, CIS benchmarks. Strengthened security on cloud and on-prem
- Capacity planning and scaling during IPL, Bigbillion days and other major business events
- Successfully executed flawless migrations and Automated DR drills between multiple datacenters
- Upgraded all legacy based versions of elasticsearch, kafka and haproxy etc to latest versions
- Optimized Centralized logging ELK to be able to accumulate huge logs without miss
- Tuned haproxy rate limits conf to get accurate rate limit
- Managed NOSQL databases: Elasticsearch, Aerospike
- Created saltstack modules for laaC and configuration management flows
- Engaged in server hardening, bond creation, volume mounting
DevOps Engineer
Paytm
08.2015 - 03.2019
- Developed CI/CD roadmap and implementing to projects
- Provided centralized log aggregation system using ELK and dynamic monitoring system to monitor complete infrastructure using prometheus, grafana
- Setup and managing open source kafka cluster, monitoring with kafka exporters
- Introduced Infrastructure as Code practise and wrote several generic terraform modules following the DRY principal
Sr Associate (Merchant Integration)
One97 Comm LTD.
05.2012 - 08.2015
- Integrated Multiple Merchants with Payment gateway using checksum utilities based on merchant's requirement
- To interact with merchants for any technical issues debugging related to payment gateways
- Integrated seamless PG for pci-dss certified merchants
- Established best practices fro monitoring merchant txns on payment gateways.
Education
B. Tech in Electronics And Communication Engineering -
Hitech-engineering Clg
Skills
- Orchestration and CRI: Kubernetes, Docker, Containerd
- CICD: Jenkins, Argocd
- Configuration Management: Saltstack, Ansible
- Cloud: On-prem, AWS
- IaaC: Terraform
- NoSqls: Aerospike, Elasticsearch
- CNI - Calico, Weave
- Monitoring and Alerting Tool: Grafana, Prometheus
- Messaging Queue: Kafka
- Others: Linux, Network Bonding
Personal Information
- Date of Birth: 04/16/88
- Gender: Male
Training
AWS Solutions architect training
Timeline
Senior Devops Technical Lead
Paytm payments Bank
02.2019 - Current
DevOps Engineer
Paytm
08.2015 - 03.2019
Sr Associate (Merchant Integration)
One97 Comm LTD.
05.2012 - 08.2015
B. Tech in Electronics And Communication Engineering -
Hitech-engineering Clg